make progress fraction value update optional

src/browser/main/tab/page.rs

@@ -399,11 +399,12 @@ impl Page {
     pub fn update(&self) {
         // Interpret status to progress fraction
         let progress_fraction = match self.meta.borrow().status {
-            Some(Status::Prepare) => 0.25,
-            Some(Status::Connect) => 0.50,
-            Some(Status::Request) => 0.75,
-            Some(Status::Response | Status::Success) => 1.0,
-            _ => 0.0,
+            Some(Status::Success) => Some(0.0),
+            Some(Status::Prepare) => Some(0.25),
+            Some(Status::Connect) => Some(0.50),
+            Some(Status::Request) => Some(0.75),
+            Some(Status::Response) => Some(1.0),
+            _ => None,
         };
 
         // Update components

src/browser/main/tab/page/navigation.rs

@@ -75,7 +75,7 @@ impl Navigation {
     }
 
     // Actions
-    pub fn update(&self, progress_fraction: f64) {
+    pub fn update(&self, progress_fraction: Option<f64>) {
         self.base.update(self.request.uri());
         self.history.update();
         self.reload.update(!self.request.is_empty());

src/browser/main/tab/page/navigation/request.rs

@@ -60,9 +60,11 @@ impl Request {
     }
 
     // Actions
-    pub fn update(&self, progress_fraction: f64) {
+    pub fn update(&self, progress_fraction: Option<f64>) {
+        // Skip Non value
+        if let Some(value) = progress_fraction {
             // Update shared fraction value for async progressbar animation
-        self.progress.fraction.replace(progress_fraction);
+            self.progress.fraction.replace(value);
 
             // Start new frame on previous process completed only (`source_id` is None)
             // If previous process still active, we have just updated shared fraction value before, to use it inside the active process
@@ -98,6 +100,7 @@ impl Request {
                 )));
             }
         }
+    }
 
     // Setters
     pub fn set_text(&self, value: &GString, activate: bool) {